SAP Message U6013 - Solution &1 unsuccessful for installation &2................

Diagnosis
Solution &V1& did not work for installation &V2&.
Solution &V1& is now using function module &V3& as a correction module.
Also refer to the following solution path in the solution pathstable in BRE Customizing:
(Message ID, message, error cause, sol. path ): &V4&.
Function module &V3& could not correctly execute the repair.

Procedure
If the function module &V3& was supplied by SAP and you cannot solve theproblem yourself, contact SAP.
If function module &V3& is a customer-specific development, you mustsolve the problem yourself.
Make sure that the prerequisites for checking newcorrection modules have been fulfilled.
In particular, the EXCEPTIONS must be returned correctly so that the BREcan interpret them in the right way. ´
A common error, for example, is that CAUSE_NOT_FITTING has not been setcorrectly.
Check if &V3& can really be generally used for the error. If necessary,change the indicator in the table solution paths, so thatfunction module &V3& can only be used for more specific error causes.